OSError: [Errno 2] No such file or directory when updating

Whyteboard 0.41.1
Operating System: Windows NT 6.1 (build 7600)
Screen Resolution: 1152x864
Python Version: 2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit (Intel)]
wxPython Version: 2.8.10.1 (msw-unicode)
wxPython Info: (__WXMSW__, wxMSW, unicode, wx-assertions-on, SWIG-1.3.29)
Python Encoding: Default=ascii File=mbcs
wxPython Encoding: utf-8
System Architecture: 32bit x86
Byte order: little
Frozen: windows_exe

 File \"whyteboard\\gui\\dialogs.pyo\", line 374, in update
 File \"whyteboard\\gui\\frame.pyo\", line 539, in prompt_for_save
 File \"os.pyo\", line 344, in execvp
 File \"os.pyo\", line 368, in _execvpe
OSError: [Errno 2] No such file or directory